.boy{
    width: 100%;
    height: 100%;
   
    background: #ffffff;
}
.kabao{
     overflow: scroll;
    width: 100%;
    height: 85%;
}
.kabao ul{
   padding-top: 80px;
}
.show{
    position: relative;
}
.mar_top{
    margin-top: -70px;
}
.btn{
    height: 50px;
    width: 80%;
    margin: 0 auto;
    border: 1px solid red;
    border-radius: 5px;
    margin-top: 25px;
    line-height: 50px;
    background: red;
    color: #ffffff;
}
/*卡包内样式*/
.mar_top h1{
    color: #ffffff;
    position: absolute;
}
.mar_top h1:nth-of-type(1){
    top: 25px;
    font-size: 16px;
    left: 70px;
}
.mar_top h1:nth-of-type(2){
    top: 51px;
    font-size: 14px;
    left: 70px
}
.mar_top h1:nth-of-type(3){
    top: 33px;
    font-size: 14px;
    right: 62px;
}
.mar_top h1:nth-of-type(4){
    top: 70px;
    font-size: 22px;
    right: 96px;
    text-align: center;
}   
.mar_top h1:nth-of-type(4) span{
    position: absolute;
    top: 5px;
    width: 200px;
    left: -177px;
}   
.show_zz{
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9;
}
.show_zz ul {
    position: absolute;
    width: 100%;
    bottom: 0px;
}
.show_zz ul li{
    height: 50px;
    text-align: center;
    line-height: 50px;
    background: #ffffff;
    width: 100%;
}
.show_zz ul li:nth-last-of-type(1){
    border-top: 1px solid rgba(0,0,0,0.5)
}